moves from the deprecated EPSG 3785 to EPSG 3857
Update broken links
Merge pull request #70 from waypar/fix-broken-links-master

Update broken links
[ci skip]
Remove MRI ruby version check from Rakefile
Update gemspec homepage url [ci skip]
Use https rubygems url in Gemfile [ci skip]
Update travis

* Remove 1.9.2
* Add 2.0.0, 2.1.2
* Update rubinius to rbx-2
* Remove commented-out jruby
Update readme links [ci skip]
Merge pull request #62 from ebenoist/deprecate-epsg3785

moves from the deprecated EPSG 3785 to EPSG 3857
Convert readme to markdown [ci skip]
Convert History to markdown [ci skip]
Convert rdoc to markdown [ci skip]
Merge remote-tracking branch 'upstream/master'